County Line Tank Weather Forecast

    • 70
    • 94

    Becoming Sunny

    • 69
    • 94

    Mostly Sunny

    • 71
    • 94

    Partly Sunny

    • 71
    • 94

    Slight Chance Thunderstorms

    • 71
    • 93

    Chance Rain Showers

    • 71
    • 94

    Slight Chance Thunderstorms

Today 15 Sep Frio

Sunny this Morning, then becoming partly cloudy. Highs in the mid 90s. East Winds 5 to 10 Mph.

Tonight 15 Sep Frio

Mostly clear. Lows around 70. Southeast Winds 5 to 10 Mph.

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County Line Tank Temperature Statistics

September Temperature

Pleasanton Municipal Airport (19.3 miles)

  • Lowest 13 September, 2025

    64.8 °F

  • Average September

    82.6 °F

  • Highest 4 September, 2025

    103.6 °F

Climate (2020–Present)

Pleasanton Municipal Airport (19.3 miles)

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  • Average Low 2020–2025

    60.7 °F

  • Average 2020–2025

    71.9 °F

  • Average High 2020–2025

    84.4 °F
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